BR112014017164A8 - method for producing oxidized kraft pulp and softwood kraft fibers - Google Patents

method for producing oxidized kraft pulp and softwood kraft fibers

Info

Publication number
BR112014017164A8
BR112014017164A8 BR112014017164A BR112014017164A BR112014017164A8 BR 112014017164 A8 BR112014017164 A8 BR 112014017164A8 BR 112014017164 A BR112014017164 A BR 112014017164A BR 112014017164 A BR112014017164 A BR 112014017164A BR 112014017164 A8 BR112014017164 A8 BR 112014017164A8
Authority
BR
Brazil
Prior art keywords
kraft
producing oxidized
fibers
softwood
pulp
Prior art date
Application number
BR112014017164A
Other languages
Portuguese (pt)
Other versions
BR112014017164A2 (en
Inventor
J Nonni Arthur
E Courchene Charles
M Engle Joel
R Campbell Phillip
C Dowdle Steven
Original Assignee
Gp Cellulose Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gp Cellulose Gmbh filed Critical Gp Cellulose Gmbh
Publication of BR112014017164A2 publication Critical patent/BR112014017164A2/en
Publication of BR112014017164A8 publication Critical patent/BR112014017164A8/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
    • D21C9/123—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with Cl2O
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/26—Multistage processes
    • D21C3/263—Multistage processes at least one stage being in presence of oxygen
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/1057—Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/02—Chemical or chemomechanical or chemothermomechanical pulp
    • D21H11/04—Kraft or sulfate pulp

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Paper (AREA)
BR112014017164A 2012-01-12 2013-01-11 method for producing oxidized kraft pulp and softwood kraft fibers BR112014017164A8 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201261585833P 2012-01-12 2012-01-12
PCT/US2013/021224 WO2013106703A1 (en) 2012-01-12 2013-01-11 A low viscosity kraft fiber having reduced yellowing properties and methods of making and using the same

Publications (2)

Publication Number Publication Date
BR112014017164A2 BR112014017164A2 (en) 2017-06-13
BR112014017164A8 true BR112014017164A8 (en) 2017-07-04

Family

ID=47605781

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112014017164A BR112014017164A8 (en) 2012-01-12 2013-01-11 method for producing oxidized kraft pulp and softwood kraft fibers

Country Status (13)

Country Link
US (3) US10000890B2 (en)
EP (2) EP3800290B1 (en)
JP (2) JP6219845B2 (en)
KR (1) KR102093167B1 (en)
CN (1) CN104302831A (en)
AU (1) AU2013207797B2 (en)
BR (1) BR112014017164A8 (en)
CA (1) CA2860609C (en)
ES (1) ES2844150T3 (en)
MX (1) MX366988B (en)
TW (1) TWI628331B (en)
WO (1) WO2013106703A1 (en)
ZA (1) ZA201405162B (en)

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WO2014122533A2 (en) 2013-02-08 2014-08-14 Gp Cellulose Gmbh Softwood kraft fiber having an improved a-cellulose content and its use in the production of chemical cellulose products
WO2015138335A1 (en) 2014-03-12 2015-09-17 Gp Cellulose Gmbh A low viscosity kraft fiber having an enhanced carboxyl content and methods of making and using the same
CN106535625A (en) * 2014-06-20 2017-03-22 Gp 纤维素股份有限公司 Animal litter having improved odor control and absorbency
WO2017066499A1 (en) 2015-10-14 2017-04-20 Gp Cellulose Gmbh Novel cellulose composite materials and methods of making and using the same
CN108602897B (en) 2015-12-01 2021-02-02 Gp 纤维素股份有限公司 Open chain modified cellulose pulp and methods of making and using same
WO2017210079A1 (en) 2016-06-02 2017-12-07 Gp Cellulose Gmbh Oxidized cellulose containing packaging materials
CA3040734A1 (en) 2016-11-16 2018-05-24 Gp Cellulose Gmbh Modified cellulose from chemical fiber and methods of making and using the same
US11332886B2 (en) * 2017-03-21 2022-05-17 International Paper Company Odor control pulp composition
US11193237B2 (en) * 2017-09-11 2021-12-07 Solenis Technologies, L.P. Method for enhanced oxygen delignification of chemical wood pulps
US20200255547A1 (en) * 2017-10-03 2020-08-13 Dow Global Technologies Llc Simplified process for making low viscosity cellulose ether
DE102017223690A1 (en) * 2017-12-22 2019-06-27 Se Tylose Gmbh & Co. Kg Oxidative degradation of cellulose ethers
EP3755839B1 (en) 2018-02-23 2024-08-21 GP Cellulose GmbH Novel dissolving wood pulps and methods of making and using the same
US11591751B2 (en) 2019-09-17 2023-02-28 Gpcp Ip Holdings Llc High efficiency fiber bleaching process
US20220213648A1 (en) 2021-01-06 2022-07-07 Gpcp Ip Holdings Llc Oxygen Treatment of High Kappa Fibers
CN113501971B (en) * 2021-07-06 2024-02-23 湖州展望天明药业有限公司 Method for preparing low-polymerization-degree water-soluble cellulose ether

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